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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef MOZILLA_A11Y_HTMLFormControlAccessible_H_
#define MOZILLA_A11Y_HTMLFormControlAccessible_H_
#include "FormControlAccessible.h"
#include "HyperTextAccessibleWrap.h"
#include "mozilla/dom/Element.h"
#include "nsAccUtils.h"
#include "nsIPersistentProperties2.h"
#include "Relation.h"
namespace mozilla {
class TextEditor;
namespace a11y {
/**
* Accessible for HTML input@type="radio" element.
*/
class HTMLRadioButtonAccessible : public RadioButtonAccessible {
public:
HTMLRadioButtonAccessible(nsIContent* aContent, DocAccessible* aDoc)
: RadioButtonAccessible(aContent, aDoc) {
// Ignore "RadioStateChange" DOM event in lieu of document observer
// state change notification.
mStateFlags |= eIgnoreDOMUIEvent;
}
// Accessible
virtual uint64_t NativeState() const override;
virtual void GetPositionAndSizeInternal(int32_t* aPosInSet,
int32_t* aSetSize) override;
virtual Relation RelationByType(RelationType aType) const override;
private:
Relation ComputeGroupAttributes(int32_t* aPosInSet, int32_t* aSetSize) const;
};
/**
* Accessible for HTML input@type="button", @type="submit", @type="image"
* and HTML button elements.
*/
class HTMLButtonAccessible : public HyperTextAccessibleWrap {
public:
enum { eAction_Click = 0 };
HTMLButtonAccessible(nsIContent* aContent, DocAccessible* aDoc);
// Accessible
virtual mozilla::a11y::role NativeRole() const override;
virtual uint64_t State() override;
virtual uint64_t NativeState() const override;
// ActionAccessible
virtual uint8_t ActionCount() const override;
virtual void ActionNameAt(uint8_t aIndex, nsAString& aName) override;
virtual bool DoAction(uint8_t aIndex) const override;
// Widgets
virtual bool IsWidget() const override;
protected:
// Accessible
virtual ENameValueFlag NativeName(nsString& aName) const override;
};
/**
* Accessible for HTML input@type="text", input@type="password", textarea and
* other HTML text controls.
*/
class HTMLTextFieldAccessible : public HyperTextAccessibleWrap {
public:
enum { eAction_Click = 0 };
HTMLTextFieldAccessible(nsIContent* aContent, DocAccessible* aDoc);
NS_INLINE_DECL_REFCOUNTING_INHERITED(HTMLTextFieldAccessible,
HyperTextAccessibleWrap)
// HyperTextAccessible
MOZ_CAN_RUN_SCRIPT_BOUNDARY virtual already_AddRefed<TextEditor> GetEditor()
const override;
// Accessible
virtual void Value(nsString& aValue) const override;
virtual void ApplyARIAState(uint64_t* aState) const override;
virtual mozilla::a11y::role NativeRole() const override;
virtual uint64_t NativeState() const override;
virtual already_AddRefed<nsIPersistentProperties> NativeAttributes() override;
// ActionAccessible
virtual uint8_t ActionCount() const override;
virtual void ActionNameAt(uint8_t aIndex, nsAString& aName) override;
virtual bool DoAction(uint8_t aIndex) const override;
// Widgets
virtual bool IsWidget() const override;
virtual Accessible* ContainerWidget() const override;
protected:
virtual ~HTMLTextFieldAccessible() {}
// Accessible
virtual ENameValueFlag NativeName(nsString& aName) const override;
/**
* Return a widget element this input is part of, for example, search-textbox.
*
* FIXME: This should probably be renamed.
*/
nsIContent* BindingOrWidgetParent() const {
if (auto* el = mContent->GetClosestNativeAnonymousSubtreeRootParent()) {
return el;
}
// XUL search-textbox custom element
return Elm()->Closest("search-textbox"_ns, IgnoreErrors());
}
};
/**
* Accessible for input@type="file" element.
*/
class HTMLFileInputAccessible : public HyperTextAccessibleWrap {
public:
HTMLFileInputAccessible(nsIContent* aContent, DocAccessible* aDoc);
// Accessible
virtual mozilla::a11y::role NativeRole() const override;
virtual nsresult HandleAccEvent(AccEvent* aAccEvent) override;
virtual Accessible* CurrentItem() const override;
};
/**
* Used for HTML input@type="number".
*/
class HTMLSpinnerAccessible final : public HTMLTextFieldAccessible {
public:
HTMLSpinnerAccessible(nsIContent* aContent, DocAccessible* aDoc)
: HTMLTextFieldAccessible(aContent, aDoc) {
mStateFlags |= eHasNumericValue;
}
// Accessible
virtual mozilla::a11y::role NativeRole() const override;
virtual void Value(nsString& aValue) const override;
virtual double MaxValue() const override;
virtual double MinValue() const override;
virtual double CurValue() const override;
virtual double Step() const override;
virtual bool SetCurValue(double aValue) override;
};
/**
* Used for input@type="range" element.
*/
class HTMLRangeAccessible : public LeafAccessible {
public:
HTMLRangeAccessible(nsIContent* aContent, DocAccessible* aDoc)
: LeafAccessible(aContent, aDoc) {
mStateFlags |= eHasNumericValue;
}
// Accessible
virtual void Value(nsString& aValue) const override;
virtual mozilla::a11y::role NativeRole() const override;
// Value
virtual double MaxValue() const override;
virtual double MinValue() const override;
virtual double CurValue() const override;
virtual double Step() const override;
virtual bool SetCurValue(double aValue) override;
// Widgets
virtual bool IsWidget() const override;
};
/**
* Accessible for HTML fieldset element.
*/
class HTMLGroupboxAccessible : public HyperTextAccessibleWrap {
public:
HTMLGroupboxAccessible(nsIContent* aContent, DocAccessible* aDoc);
// Accessible
virtual mozilla::a11y::role NativeRole() const override;
virtual Relation RelationByType(RelationType aType) const override;
protected:
// Accessible
virtual ENameValueFlag NativeName(nsString& aName) const override;
// HTMLGroupboxAccessible
nsIContent* GetLegend() const;
};
/**
* Accessible for HTML legend element.
*/
class HTMLLegendAccessible : public HyperTextAccessibleWrap {
public:
HTMLLegendAccessible(nsIContent* aContent, DocAccessible* aDoc);
// Accessible
virtual Relation RelationByType(RelationType aType) const override;
};
/**
* Accessible for HTML5 figure element.
*/
class HTMLFigureAccessible : public HyperTextAccessibleWrap {
public:
HTMLFigureAccessible(nsIContent* aContent, DocAccessible* aDoc);
// Accessible
virtual Relation RelationByType(RelationType aType) const override;
protected:
// Accessible
virtual ENameValueFlag NativeName(nsString& aName) const override;
// HTMLLegendAccessible
nsIContent* Caption() const;
};
/**
* Accessible for HTML5 figcaption element.
*/
class HTMLFigcaptionAccessible : public HyperTextAccessibleWrap {
public:
HTMLFigcaptionAccessible(nsIContent* aContent, DocAccessible* aDoc);
// Accessible
virtual Relation RelationByType(RelationType aType) const override;
};
/**
* Used for HTML form element.
*/
class HTMLFormAccessible : public HyperTextAccessibleWrap {
public:
HTMLFormAccessible(nsIContent* aContent, DocAccessible* aDoc)
: HyperTextAccessibleWrap(aContent, aDoc) {}
NS_INLINE_DECL_REFCOUNTING_INHERITED(HTMLFormAccessible,
HyperTextAccessibleWrap)
// Accessible
virtual nsAtom* LandmarkRole() const override;
virtual a11y::role NativeRole() const override;
protected:
virtual ~HTMLFormAccessible() = default;
};
/**
* Accessible for HTML progress element.
*/
class HTMLProgressAccessible : public LeafAccessible {
public:
HTMLProgressAccessible(nsIContent* aContent, DocAccessible* aDoc)
: LeafAccessible(aContent, aDoc) {
// Ignore 'ValueChange' DOM event in lieu of @value attribute change
// notifications.
mStateFlags |= eHasNumericValue | eIgnoreDOMUIEvent;
mType = eProgressType;
}
// Accessible
virtual void Value(nsString& aValue) const override;
virtual mozilla::a11y::role NativeRole() const override;
virtual uint64_t NativeState() const override;
// Value
virtual double MaxValue() const override;
virtual double MinValue() const override;
virtual double CurValue() const override;
virtual double Step() const override;
virtual bool SetCurValue(double aValue) override;
// Widgets
virtual bool IsWidget() const override;
protected:
virtual ~HTMLProgressAccessible() {}
};
/**
* Accessible for HTML date/time inputs.
*/
template <a11y::role R>
class HTMLDateTimeAccessible : public AccessibleWrap {
public:
HTMLDateTimeAccessible(nsIContent* aContent, DocAccessible* aDoc)
: AccessibleWrap(aContent, aDoc) {}
NS_INLINE_DECL_REFCOUNTING_INHERITED(HTMLDateTimeAccessible, AccessibleWrap)
// Accessible
virtual mozilla::a11y::role NativeRole() const override { return R; }
virtual already_AddRefed<nsIPersistentProperties> NativeAttributes()
override {
nsCOMPtr<nsIPersistentProperties> attributes =
AccessibleWrap::NativeAttributes();
// Unfortunately, an nsStaticAtom can't be passed as a
// template argument, so fetch the type from the DOM.
nsAutoString type;
if (mContent->AsElement()->GetAttr(kNameSpaceID_None, nsGkAtoms::type,
type)) {
nsAccUtils::SetAccAttr(attributes, nsGkAtoms::textInputType, type);
}
return attributes.forget();
}
// Widgets
virtual bool IsWidget() const override { return true; }
protected:
virtual ~HTMLDateTimeAccessible() {}
};
} // namespace a11y
} // namespace mozilla
#endif
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